Heart|Lab Grown|IGI

1.71ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG749573318

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG749573318

Diamond specifications and retailer prices

From $1,286 NZD

$725 USD

As of October 30, 2026

Save $5,917 NZD (82%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $7,204 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 1.71ct lab-grown heart diamond

This 1.71ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749573318 or 749573318. Listed at 20 retailers as of October 30, 2026, with prices from $1,286 to $7,204, a $5,917 spread on the same certified stone. Brilliant Earth lists it at $7,204. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.6°

Pavilion angle37°

OriginLab Grown

Grading LabIGI

CertificateIGI LG749573318

Dimensions7.50 × 8.43 × 4.66 mm

L/W Ratio1.12

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG749573318

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: $7,204 NZD|Low: $1,286 NZD|High: $9,723 NZD|Avg: $3,585 NZD|-25.9%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

November 1, 2026

Retailer 7$1,286 NZD

Retailer 5$1,400 NZD

Retailer 17$1,492 NZD

Retailer 10$1,526 NZD

Retailer 2$1,661 NZD

Retailer 18$1,810 NZD

Retailer 6$1,930 NZD

Retailer 12$2,393 NZD

Retailer 15$2,420 NZD

Retailer 4$2,495 NZD

Retailer 14$2,742 NZD

Retailer 8$3,350 NZD

Retailer 19$4,194 NZD

Retailer 13$4,929 NZD

Retailer 16$5,143 NZD

Retailer 3$5,865 NZD

Retailer 9$5,944 NZD

Retailer 11$6,348 NZD

Brilliant Earth$7,204 NZD

29 data points across 19 retailers

20 retailers$1,286 NZD to $7,204 NZD

Cheapest Retailer

$1,286 NZD

$725 USD

Retailer 2

$1,400 NZD

$789 USD

View

Retailer 3

$1,492 NZD

$841 USD

View

Retailer 4

$1,526 NZD

$860 USD

View

Price last confirmed 15 days ago

Retailer 5

$1,661 NZD

$936 USD

View

Final sale: no returns

Retailer 6

$1,810 NZD

$1,020 USD

View

Retailer 7

$1,930 NZD

$1,088 USD

View

Retailer 8

$2,393 NZD

£1,062 GBP

View

B+

Retailer 9

$2,420 NZD

$1,364 USD

View

B+

Retailer 10

$2,495 NZD

$1,406 USD

View

B+

Retailer 11

$2,742 NZD

ZAR 24,969 ZAR

View

B+

Retailer 12

$3,350 NZD

$1,888 USD

View

B+

Retailer 13

$4,194 NZD

$2,364 USD

View

Retailer 14

$4,929 NZD

$2,778 USD

View

B+

Retailer 15

$5,089 NZD

$2,868 USD

View

B+

Retailer 16

$5,143 NZD

$2,899 USD

View

Retailer 17

$5,865 NZD

£2,603 GBP

View

Retailer 18

$5,944 NZD

SGD 4,527 SGD

View

Retailer 19

$6,348 NZD

$3,578 USD

View

Most Expensive

Brilliant Earth

21417283A · Oct 31

$7,204 NZD

$4,060 USD

View

19 more retailers have this diamond

Prices start from $1,286 NZDSave up to $5,917 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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